Harman Kardon AVR 3550 Service Manual page 42

TC9215AF (TONE CONTROL : IC80)
BLOCK DIAGRAM
TC9215AF
GND 1
OFF 2
S 10 3
S 11
4
S 12
5
S 20 6
S 21 7
V ss
8
16 V
DD
15
S 40
14 S 41
S 42
13
S 34
12
11 S 32
10
S 31
9
S 30